Chronological list of the Doctors of the Church

SAINT AMBROSE (c. 340-397), BISHOP OF MILAN, Italy, a major opponent of Arianism, wrote and preached extensively [named a Doctor of the church, 1298].

Saint Augustine of Hippo (c. 354-430), North African bishop, author of Confessions, City of God, and numerous treatises, countered heretical movements, one of the most influential theologians of the Western church, called "Doctor of Grace" [1298].

Saint Jerome(c. 343-420), translated Old Testament from Hebrew into Latin and revised Latin translation of New Testament to produce Vulgate version of Bible, called "Father of Biblical Science" [1298].

Saint Gregory the Great (c. 540-604), pope, strengthened papacy and worked for clerical and monastic reform [1298].

Saint Basil the Great (c. 329-379), bishop of Caesarea in Asia Minor, refuted Arian errors, wrote treatises, homilies, and monastic rules, called "Father of Monasticism of the East" [1568].

Saint Gregory of Nazianzus (c. 330-390), bishop of Constantinople, opponent of Arianism, wrote major theological treatises as well as letters and poetry, called the "Christian Demosthenes" and, in the East, "The Theologian" [1568].

Saint Thomas Aquinas (1225-1274), Italian Dominican, wrote systematically on philosophy, theology, and Catholic doctrine, patron of Catholic schools and education, one of the most influential theologians in the West [1568].